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<!-- 
  PubSub 包含n个方法的对象
  1. subcribe(msgName, callback): 订阅消息
  2. publish(msgName, data): 发布异步的消息
  3. publishSync(msgName, data):  发布同步的消息
  4. unsubscribe(flag): 取消消息订阅
-->
<script src="../dist/JSJustToolc.js"></script>
<script>
  const { PubSub } = aUtils
  // 订阅消息
  PubSub.subscribe('add', (data) => {
    console.log('add()...', data)
  })
  PubSub.subscribe('add', (data) => {
    console.log('add2()...', data)
  })
  const token = PubSub.subscribe('add', (data) => {
    console.log('add3()...', data)
  })
  PubSub.subscribe('update', (data) => {
    console.log('update()...', data)
  })

  // PubSub.unsubscribe(token)
  // PubSub.unsubscribe('add')
  // PubSub.unsubscribe()

  PubSub.publish('add', 12)
  PubSub.publish('update', 13)
  console.log('----')
  // PubSub.unsubscribe(token)
  // PubSub.unsubscribe('add')

</script>
  
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